mod_xinerama/ls_xinerama.c

   1 #include <X11/Xlib.h>
   2 #include <X11/extensions/Xinerama.h>
   3 #include <stdbool.h>
   4 #include <stdio.h>
   5
   6 int main() {
   7     Display *dpy = XOpenDisplay(NULL);
   8     int xinerama_event_base;
   9     int xinerama_error_base;
  10     bool xinerama_ready = XineramaQueryExtension(dpy,&xinerama_event_base, &xinerama_error_base);
  11
  12     fprintf(stdout, "Basic Xinerama screen information - for all the details run 'xdpyinfo -ext XINERAMA'\n");
  13
  14     if (!xinerama_ready)
  15         fprintf(stderr, "No Xinerama support detected, mod_xinerama won't do anything.");
  16     else {
  17         int nRects,i;
  18         XineramaScreenInfo* sInfo = XineramaQueryScreens(dpy, &nRects);
  19         for(i = 0 ; i < nRects ; ++i) {
  20             fprintf(stdout, "Screen %d: %dx%d+%d+%d\n", i, sInfo[i].width, sInfo[i].height, sInfo[i].x_org, sInfo[i].y_org);
  21         }
  22     }
  23
  24     return 0;
  25 }